Biomedical Engineering GATE 2025 Questions with Answer

Ques 27 Biomedical Instrumentation

A Wheatstone bridge is used to measure strain as shown in the figure below.
Initially the bridge was balanced. When a strain is applied to the resistor Rstrain, along its length, the output voltage V_OUT is 10 mV. If Rstrain is a cylindrical resistor of length and cross-sectional area A, the magnitude of the applied strain is ______ (rounded off to two decimal places)

Ques 28 Circuit Theory

A voltage source Vs=5 sin(100t+π/2) volts is driving a current I=10 sin(100t+π/6) mA through a circuit. The average power dissipated in the circuit is ______ mW.

Ques 29 Circuit Theory

In the circuit shown below, Vin=10cos(1000t) volts. The magnitude of the input impedance of the circuit is ______ kΩ. (rounded off to one decimal place)

Ques 30 Circuit Theory

For the RLC circuit shown below, the root mean square current (I_rms) at the resonance frequency is ______ amperes. (rounded off to the nearest integer)

Ques 31 Control Systems

The closed loop system shown below _______

Ques 32 Control Systems

Which one of the following statements is CORRECT for any second order linear system with Proportional Integral Derivative (PID) controller?

Ques 33 Engineering Mathematics

The determinant of a 3×3 matrix M is 8. If every element of M is multiplied by -2, the determinant of the modified matrix will be

Ques 34 Engineering Mathematics

For any continuous and differentiable function f(x) with first derivative f'(x)≠0 for all values of x, which one of the following is ALWAYS TRUE for a≠b?
Here, a and b are finite and real.

Ques 35 Engineering Mathematics

The eigenvalues of the matrix are __________.

Ques 36 Engineering Mathematics

If f(x)=x-1/x, the value of lim_Δx→0(f(1+Δx)-f(1))/Δx is

Ques 37 Engineering Mathematics

N independent trials of a binomial random variable yield an expectation value of 16 and variance of 12. What is the value of N?

Ques 38 Engineering Mathematics

Given a function y(x) satisfying the differential equation
y''-0.25y=0,
with initial conditions y(0)=1; y'(0)=1, what is the value of y(log_e100)?
Here, y' and y'' are the first and second derivatives of y, respectively.

Ques 39 Engineering Mathematics

Which of the following is/are CORRECT about the value of y=log_e(-e^x), where x is a real number.